1634392

Information

• Patent Grant
• 1634392

• References
• Source

• Patent Number

  1,634,392

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1927
  97 years ago

• CPC

  • F22B37/428 - Feed-water supply alarm devices using dilatation of solids or liquids
  • Y10T137/7724 - Thermal
  • Y10T137/8175 - Plural
  • Y10T137/8342 - Liquid level responsive indicator, recorder or alarm

• US Classifications

  • 137 - Fluid handling
  • 122 - Liquid heaters and vaporizers
  • 251 - Valves and valve actuation